10.5=x+0.87(11.5-x)

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Solution for 10.5=x+0.87(11.5-x) equation: 



10.5=x+0.87(11.5-x)

We move all terms to the left:

10.5-(x+0.87(11.5-x))=0

We add all the numbers together, and all the variables

-(x+0.87(-1x+11.5))+10.5=0



We calculate terms in parentheses: -(x+0.87(-1x+11.5)), so:

x+0.87(-1x+11.5)

We multiply parentheses

x-0.87x+10.005

We add all the numbers together, and all the variables

0.13x+10.005

Back to the equation:

-(0.13x+10.005)



We get rid of parentheses

-0.13x-10.005+10.5=0

We add all the numbers together, and all the variables

-0.13x+0.495=0

We move all terms containing x to the left, all other terms to the right

-0.13x=-0.495

x=-0.495/-0.13

x=3+0.105/0.13

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